Portable radio



FIG. 1 is a front perspective view of an ornamental design for a portable radio;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back side view thereof;

FIG. 5 is a first side view thereof;

FIG. 6 is a second side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

Broken lines and unshaded portions contained within broken lines are not claimed. 

CLAIM The ornamental design for a portable radio, as shown and described. 